Path Traversal in Argoproj-Labs Argocd-Mcp
CVE-2026-108585
argocd-mcp (Argo CD MCP Server) through 0.9.0 contains a path traversal vulnerability in the delete_application tool that allows MCP clients to reach unintended API endpoints via unvalidated applicationName values. Attackers or prompt-injected models can supply dot-segment values like ../repositories/ to send authenticated DELETE requests deleting repositories, clusters, or projects within the token's RBAC permissions.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind/argocd-mcp-delete-application-route-smuggling (third-party-advisory)
- github.com/argoproj-labs/mcp-for-argocd/blob/28d15ca69b0c31387cc6ec73d201fd13c5… (technical-description)
- github.com/argoproj-labs/mcp-for-argocd/blob/28d15ca69b0c31387cc6ec73d201fd13c5… (technical-description)
- github.com/argoproj-labs/mcp-for-argocd (product)
- www.vulncheck.com/advisories/argocd-mcp-through-0.9.0-path-traversal-via-delete… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108585?
- CVE-2026-108585 is a medium-severity vulnerability in Argoproj-Labs Argocd-Mcp, classified under Path Traversal. CVSS score: 5.4/10. Published 2026-10-10.
- How severe is CVE-2026-108585?
- Medium severity. CVSS v3 base score is 5.4 out of 10.